if you liked Tell me what you saw i am sure you gonna like Class of lies too, that's my opinion.
Class of lies is about a highly successful lawyer who falls from grace because of one case. He becomes a fixed term teacher at a high school that is tied to that case in order to regain his honor. Though he goes into the classroom for selfish reasons, he begins to see the crimes that take place and he takes matters into his own hands to help protect victims from their peers. The drama will shine a spotlight on the reality of teenagers facing little to no repercussions after committing a crime because they are teenagers, providing no protection for those who become a victim to these crimes. (Source: Soompi)
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Tell me what you saw is about Oh Hyun Jae who used to be a top criminal profiler. He solved many cases with his skills, but one day an explosion, caused by a serial killer, ended the life of his fiancé. After the horrific incident, Oh Hyun Jae vanished and he now lives in seclusion. Meanwhile, Cha Soo Young is a police officer in the countryside. She has a special ability which allows her to remember exactly everything she sees. Due to her special ability, she is selected as a rookie detective who will partner with Oh Hyun Jae informally. Together they work to solve cases and uncover the truth behind the Peppermint Killer, the resurfaced serial killer who murdered Hyun-Jae's fiancé five years ago.
(Source: AsianWiki)